bendns' repos / helix
Unnamed repository; edit this file 'description' to name the repository.
Diffstat (limited to 'helix-core/src/line_ending.rs')
-rw-r--r--helix-core/src/line_ending.rs58
1 files changed, 58 insertions, 0 deletions
diff --git a/helix-core/src/line_ending.rs b/helix-core/src/line_ending.rs
index 36c02a94..aa1e7480 100644
--- a/helix-core/src/line_ending.rs
+++ b/helix-core/src/line_ending.rs
@@ -1,3 +1,6 @@
+use anyhow::bail;
+use helix_config::{options, Ty};
+
use crate::{Rope, RopeSlice};
#[cfg(target_os = "windows")]
@@ -5,6 +8,61 @@ pub const NATIVE_LINE_ENDING: LineEnding = LineEnding::Crlf;
#[cfg(not(target_os = "windows"))]
pub const NATIVE_LINE_ENDING: LineEnding = LineEnding::LF;
+options! {
+ struct LineEndingConfig {
+ /// The line ending to use for new documents. Can be `lf` or `crlf`. If
+ /// helix was compiled with the `unicode-lines` feature then `vt`, `ff`,
+ /// `cr`, `nel`, `ls` or `ps` are also allowed.
+ #[read = copy]
+ default_line_ending: LineEnding = NATIVE_LINE_ENDING,
+ }
+}
+
+impl Ty for LineEnding {
+ fn from_value(val: helix_config::Value) -> anyhow::Result<Self> {
+ let val: String = val.typed()?;
+ match &*val {
+ "crlf" => Ok(LineEnding::Crlf),
+ "lf" => Ok(LineEnding::LF),
+ #[cfg(feature = "unicode-lines")]
+ "vt" => Ok(LineEnding::VT),
+ #[cfg(feature = "unicode-lines")]
+ "ff" => Ok(LineEnding::FF),
+ #[cfg(feature = "unicode-lines")]
+ "cr" => Ok(LineEnding::CR),
+ #[cfg(feature = "unicode-lines")]
+ "nel" => Ok(LineEnding::Nel),
+ #[cfg(feature = "unicode-lines")]
+ "ls" => Ok(LineEnding::LS),
+ #[cfg(feature = "unicode-lines")]
+ "ps" => Ok(LineEnding::PS),
+ #[cfg(feature = "unicode-lines")]
+ _ => bail!("expecte one of 'lf', 'crlf', 'vt', 'ff', 'cr', 'nel', 'ls' or 'ps'"),
+ #[cfg(not(feature = "unicode-lines"))]
+ _ => bail!("expecte one of 'lf' or 'crlf'"),
+ }
+ }
+
+ fn to_value(&self) -> helix_config::Value {
+ match self {
+ LineEnding::Crlf => "crlf".into(),
+ LineEnding::LF => "lf".into(),
+ #[cfg(feature = "unicode-lines")]
+ VT => "vt".into(),
+ #[cfg(feature = "unicode-lines")]
+ FF => "ff".into(),
+ #[cfg(feature = "unicode-lines")]
+ CR => "cr".into(),
+ #[cfg(feature = "unicode-lines")]
+ Nel => "nel".into(),
+ #[cfg(feature = "unicode-lines")]
+ LS => "ls".into(),
+ #[cfg(feature = "unicode-lines")]
+ PS => "ps".into(),
+ }
+ }
+}
+
/// Represents one of the valid Unicode line endings.
#[derive(PartialEq, Eq, Copy, Clone, Debug)]
pub enum LineEnding {